The Microsoft/Android War: Which Patents Are at Stake?

You may already know Microsoft has forced five Android vendors to pay royalties each time they ship a device, and is suing Motorola and Barnes & Noble in cases that claim Android steals Microsoft intellectual property.

Exactly which patents are supposedly violated by Google's Android mobile OS? Microsoft isn't revealing the details in cases settled without a lawsuit, including agreements with HTC, Velocity Micro, General Dynamics, Onkyo and Wistron.